* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}
body {
    transition: background-color 0.5s;
    background:linear-gradient(180deg, #ECF4F9 0%, rgba(4, 109, 144, 0) 100%);
}

li {
    list-style: none;
}
a {
    text-decoration: none;
    color: #000;
}
textarea {
    outline: none;
    resize: none;
}
  
button ,input{
    outline: none;
    border: 0;
}
.text-b {
    color: #0CAEFE !important;
}
/* 版心 */
.container {
    width: 1240px;
    margin: 0 auto;
}

/* 头部模块 */
header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background-color: rgba(245,245,247,.6);
    z-index: 9999;
}
/* 导航栏 */
.nav-bar {
    display: flex;
    height: 64px;
    justify-content: space-between;
    align-items: center;
    padding: 0 25px;
    /* 文字不换行 */
    white-space: nowrap;
} 

.nav-l,.nav-r{
    display: flex;
    align-items: center;
} 
.nav-l .tab{
    margin-left: 35px;
    display: flex;
}
.nav-l .tab li{
    height: 64px;
    line-height: 64px;
}
.nav-l .tab a{
    display: flex;
    padding: 0 16px;    
}
.tab-active {
    border-bottom: 4px solid #0CAEFE;
    color: #0CAEFE;
}
/* logo */
.nav-l .logo {
    width: 110px;
    height: 40px;
} 
.nav-l .logo a {
    overflow: hidden;
    text-indent: -9999em;
    display: block;
    width: 110px;
    height: 40px;
    background: url(../img/logo.png) no-repeat;
    background-size: 110px 40px;
}
.nav-r a {
    padding-right: 32px;
}
.nav-r .search {
    position: relative;
} 
.nav-r .search input {
    width: 225px;
    height: 35px;
    padding-left: 25px;
    border: 1px solid #e7e7e7;
    border-radius: 35px;
    outline: none;
}
.nav-r .search .ssicon {
    position: absolute;
    right: -22px;
    top: 9px; 
}
/* 返回顶部 */
.backtop {
    display: none;
    width: 95px;
    height: 95px;
    position: fixed;
    right: 0;
    bottom: 60px;
    cursor: pointer;
    z-index: 999;
}
/* 脚部 */
footer {
    height: 350px;
    display: flex;
    justify-content: space-evenly;
    background-color: #f5f5f7;
    margin-top: 20px;
    padding-top: 50px;
}
/* .footer-l {
    padding-left:65px;
} */
.footer-l p{
   font-size: 12px;
   color: #666;
   margin: 15px 0;
}
.download {
    display: block;
    width: 120px;
    height: 36px;
    line-height: 36px;
    border: 1px solid #0CAEFE;
    text-align: center;
    color: #0CAEFE;
    font-weight: bold;
}
.footer-r {
    /* padding-right: 65px; */
    display: flex;
    justify-content: space-between;
}
.footer-r dl{
    width: 200px;
}
.footer-r dl dt{
    height: 30px;
    font-size: 18px;
    color: #0CAEFE;
}
.footer-r dl dd a{
    font-size: 13px;
    color: #666;
}
